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June 8, 2023 17:29
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Currency validation method for the jQuery Validation plugin. Decimal place is optional but if included, it requires 2 places. Also, the dollar sign is optional.
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| // Validation method for US currency | |
| $.validator.addMethod("currency", function (value, element) { | |
| return this.optional(element) || /^\$(\d{1,3}(\,\d{3})*|(\d+))(\.\d{2})?$/.test(value); | |
| }, "Please specify a valid amount"); |
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Excellent work.
However, if I type a letter into the field by mistake, and then tab out to the next field, it fills the current field with "NaN" in addition to displaying the error message. Is there a way to keep the NaN from showing up in the text field?